Haydn Green

{{For|the English museum curator|Adrian Green}}

{{Short description|English footballer (1887–1957)}}

{{Use dmy dates|date=April 2016}}

{{Use British English|date=April 2016}}

{{Infobox football biography

| name = Haydn Green

| image =

| image_size =

| caption =

| full_name = Adrian Green

| birth_date = {{birth date|1887|3|18|df=y}}

| birth_place = Kirkby-in-Ashfield, England

| death_date = {{death date and age|1957|2|8|1887|3|18|df=y}}

| death_place = Watford, England

| currentclub =

| height =

| manageryears1 = 1930–1931

| managerclubs1 = Ebbw Vale

| manageryears2 = 1931–1934

| managerclubs2 = Hull City

| manageryears3 = 1936–1939

| managerclubs3 = Guildford City

| manageryears4 = 1939–1947

| managerclubs4 = Swansea Town

| manageryears5 = 1949–1951

| managerclubs5 = Bangor

| manageryears6 = 1951–1952

| managerclubs6 = Watford

}}

Adrian "Haydn" Green (18 March 1887 – 8 February 1957) was an English football player and manager. After playing for Nottingham Forest, Manchester United, Aston Villa, Newport County and Reading, he went on to manage Ebbw Vale, Bangor, Hull City, Swansea Town and Watford.

At Hull City, whom he managed from May 1931 until March 1934, Green maintained a winning percentage of 49.59%.